the horizontal pointed cutting blade of a mouldboard plough
Collins Concise English Dictionary © HarperCollins Publishers::
WordReference Random House Unabridged Dictionary of American English © 2025
plow•share
(plou′shâr′),USA pronunciation n.
- Agriculturethe cutting part of the moldboard of a plow;
share.
- Middle English plowghschare. See plow, share2 1350–1400
'ploughshare' also found in these entries (note: many are not synonyms or translations):